REX521BBHGLB01C feeder protection relay
Product Manual：
REX521BBHGLB01C feeder protection relay
REX521BBHGLB01C is an intelligent relay module used for feeder protection in power systems. It is mainly used for fault detection and isolation of transmission or distribution lines, achieving safe protection of grid feeders. This device is suitable for substations, distribution networks, and industrial power automation systems.
1、 Module positioning
REX521BBHGLB01C belongs to the feeder protection relay. By monitoring the current, voltage, and fault status of the line, it can quickly disconnect the faulty line and protect the system equipment, ensuring the stable operation of the power system.
2、 Main functions
Protection of transmission and distribution lines
Overcurrent, Overvoltage, and Grounding Fault Protection
Circuit breaker control and reclosing function
Fault event recording and alarm output
Support remote communication and monitoring
Self diagnosis and operation status monitoring
3、 Technical features
High speed fault response
Quickly isolate faulty lines and reduce the risk of damage to electrical equipment.
Comprehensive protection function
Integrated feeder differential, overcurrent protection, and communication functions.
modular design
Easy to maintain, upgrade, and expand the system.
Industrial grade reliability
Suitable for long-term operation in high electromagnetic interference and complex environments.
Flexible logic configuration
Protection and control logic can be customized according to on-site requirements.
Remote communication capability
Support power automation communication protocols to achieve system integration and monitoring.
REX521BBHGLB01C Product detailed pictures：
